| Unsummon | 750 |
| Unsummon | 599 |
| Unflinching Courage | 722 |
| Undying Malice (6 variants) | 528 |
| Uncharted Voyage (12 variants) | 53 |
| Uncharted Haven (6 variants) | 564 |
| Twinflame Tyrant (12 variants) | 333 |
| Twinflame Tyrant | 427 |
| Twinflame Tyrant | 437 |
| Twinflame Tyrant (8 variants) | 469 |
| Twinflame Tyrant | 395 |
| Twinflame Tyrant (12 variants) | 97 |
| Twinblade Paladin (6 variants) | 503 |
| Twinblade Blessing (12 variants) | 26 |
| Trygon Predator | 667 |
| Tribute to Hunger | 614 |
| Treetop Snarespinner (12 variants) | 114 |
| Tranquil Cove (12 variants) | 270 |
| Tragic Banshee (12 variants) | 73 |
| Tolarian Terror (12 variants) | 167 |
| Tinybones, Bauble Burglar | 388 |
| Tinybones, Bauble Burglar (12 variants) | 72 |
| Tinybones, Bauble Burglar (8 variants) | 463 |
| Tinybones, Bauble Burglar (12 variants) | 324 |
| Time Stop (12 variants) | 166 |
| Thrill of Possibility (12 variants) | 210 |
| Three Tree Mascot | 682 |
| Thrashing Brontodon (6 variants) | 560 |
| Thousand-Year Storm (12 variants) | 248 |
| Thornwood Falls (12 variants) | 269 |
| Thornweald Archer (6 variants) | 559 |
| Think Twice (12 variants) | 315 |
| Think Twice | 435 |
| Think Twice (12 variants) | 165 |
| Think Twice | 425 |
| Terror of Mount Velus (6 variants) | 549 |
| Terror of Mount Velus | 764 |
| Temple of Triumph | 705 |
| Temple of Silence | 704 |
| Temple of Plenty | 703 |
| Temple of Mystery | 702 |
| Temple of Malice | 701 |
| Temple of Malady | 700 |
| Temple of Epiphany | 699 |
| Temple of Enlightenment | 698 |
| Temple of Deceit | 697 |
| Temple of Abandon | 696 |
| Tempest Djinn | 749 |
| Tempest Djinn | 598 |
| Teach by Example | 666 |